Microgramma and the similar type style Eurostile, which was based upon it

was designed by Aldo Novarese and Alessandro Butti for the Nebiolo Type Foundry in 1952. The Star Trek Blueprints and Star Fleet Technical Manual introduced it to fans when they were first published in April and November of 1975 respectively, for all the page headings of the latter were in this font's extended (but not extended bold) format.